Re: [Asrg] Quarantines and block lists

["Chris Lewis" <clewis at nortel.com>]

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Dan Oetting wrote:
> 
> On Jan 27, 2007, at 6:43 PM, gep2 at terabites.com wrote:
> 
>>> Here is my proposal. I'm sure I haven't thought of everything so 
>>> please tell me where it breaks or how spammers are going to game it. 
>>> The goal is to stop the majority of the spam while not loosing ANY 
>>> legitimate email (broken MTAs don't count).
>>
>> To begin with, crude IP blocks will ALWAYS lose legitimate mail,
>> because a single IP address can send both legitimate and
>> zombie-generated mail.  I propose that NO ISP-based software will be
>> capable of differentiating one from the other... but the recipient
>> possibly will know how to do that, at least for familiar senders.
> 
> I guess I didn't think to include a definition for "Lost Email".
> 
> Lost Email is any email that is sent but not presented to the user and
> does not generate a DSN to the sender. When referring to a receiving
> system loosing email it is assumed that the sending system is following
> standard procedures.

By that definition, our filters NEVER EVER lose an email.

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